--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,1112 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Dumper;
+
+use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
+use Symfony\Component\DependencyInjection\Variable;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Parameter;
+
+/**
+ * PhpDumper dumps a service container as a PHP class.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ *
+ * @api
+ */
+class PhpDumper extends Dumper
+{
+ /**
+ * Characters that might appear in the generated variable name as first character
+ * @var string
+ */
+ const FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz';
+
+ /**
+ * Characters that might appear in the generated variable name as any but the first character
+ * @var string
+ */
+ const NON_FIRST_CHARS = 'abcdefghijklmnopqrstuvwxyz0123456789_';
+
+ private $inlinedDefinitions;
+ private $definitionVariables;
+ private $referenceVariables;
+ private $variableCount;
+ private $reservedVariables = array('instance', 'class');
+
+ /**
+ * {@inheritDoc}
+ *
+ * @api
+ */
+ public function __construct(ContainerBuilder $container)
+ {
+ parent::__construct($container);
+
+ $this->inlinedDefinitions = new \SplObjectStorage;
+ }
+
+ /**
+ * Dumps the service container as a PHP class.
+ *
+ * Available options:
+ *
+ * * class: The class name
+ * * base_class: The base class name
+ *
+ * @param array $options An array of options
+ *
+ * @return string A PHP class representing of the service container
+ *
+ * @api
+ */
+ public function dump(array $options = array())
+ {
+ $options = array_merge(array(
+ 'class' => 'ProjectServiceContainer',
+ 'base_class' => 'Container',
+ ), $options);
+
+ $code = $this->startClass($options['class'], $options['base_class']);
+
+ if ($this->container->isFrozen()) {
+ $code .= $this->addFrozenConstructor();
+ } else {
+ $code .= $this->addConstructor();
+ }
+
+ $code .=
+ $this->addServices().
+ $this->addDefaultParametersMethod().
+ $this->endClass()
+ ;
+
+ return $code;
+ }
+
+ /**
+ * Generates Service local temp variables.
+ *
+ * @param string $cId
+ * @param string $definition
+ * @return string
+ */
+ private function addServiceLocalTempVariables($cId, $definition)
+ {
+ static $template = " \$%s = %s;\n";
+
+ $localDefinitions = array_merge(
+ array($definition),
+ $this->getInlinedDefinitions($definition)
+ );
+
+ $calls = $behavior = array();
+ foreach ($localDefinitions as $iDefinition) {
+ $this->getServiceCallsFromArguments($iDefinition->getArguments(), $calls, $behavior);
+ $this->getServiceCallsFromArguments($iDefinition->getMethodCalls(), $calls, $behavior);
+ $this->getServiceCallsFromArguments($iDefinition->getProperties(), $calls, $behavior);
+ }
+
+ $code = '';
+ foreach ($calls as $id => $callCount) {
+ if ('service_container' === $id || $id === $cId) {
+ continue;
+ }
+
+ if ($callCount > 1) {
+ $name = $this->getNextVariableName();
+ $this->referenceVariables[$id] = new Variable($name);
+
+ if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id]) {
+ $code .= sprintf($template, $name, $this->getServiceCall($id));
+ } else {
+ $code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, ContainerInterface::NULL_ON_INVALID_REFERENCE)));
+ }
+ }
+ }
+
+ if ('' !== $code) {
+ $code .= "\n";
+ }
+
+ return $code;
+ }
+
+ /**
+ * Generates the require_once statement for service includes.
+ *
+ * @param string $id The service id
+ * @param Definition $definition
+ * @return string
+ */
+ private function addServiceInclude($id, $definition)
+ {
+ $template = " require_once %s;\n";
+ $code = '';
+
+ if (null !== $file = $definition->getFile()) {
+ $code .= sprintf($template, $this->dumpValue($file));
+ }
+
+ foreach ($this->getInlinedDefinitions($definition) as $definition) {
+ if (null !== $file = $definition->getFile()) {
+ $code .= sprintf($template, $this->dumpValue($file));
+ }
+ }
+
+ if ('' !== $code) {
+ $code .= "\n";
+ }
+
+ return $code;
+ }
+
+ /**
+ * Generates the inline definition of a service.
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @return string
+ */
+ private function addServiceInlinedDefinitions($id, $definition)
+ {
+ $code = '';
+ $variableMap = $this->definitionVariables;
+ $nbOccurrences = new \SplObjectStorage();
+ $processed = new \SplObjectStorage();
+ $inlinedDefinitions = $this->getInlinedDefinitions($definition);
+
+ foreach ($inlinedDefinitions as $definition) {
+ if (false === $nbOccurrences->contains($definition)) {
+ $nbOccurrences->offsetSet($definition, 1);
+ } else {
+ $i = $nbOccurrences->offsetGet($definition);
+ $nbOccurrences->offsetSet($definition, $i+1);
+ }
+ }
+
+ foreach ($inlinedDefinitions as $sDefinition) {
+ if ($processed->contains($sDefinition)) {
+ continue;
+ }
+ $processed->offsetSet($sDefinition);
+
+ $class = $this->dumpValue($sDefinition->getClass());
+ if ($nbOccurrences->offsetGet($sDefinition) > 1 || count($sDefinition->getMethodCalls()) > 0 || $sDefinition->getProperties() || null !== $sDefinition->getConfigurator() || false !== strpos($class, '$')) {
+ $name = $this->getNextVariableName();
+ $variableMap->offsetSet($sDefinition, new Variable($name));
+
+ // a construct like:
+ // $a = new ServiceA(ServiceB $b); $b = new ServiceB(ServiceA $a);
+ // this is an indication for a wrong implementation, you can circumvent this problem
+ // by setting up your service structure like this:
+ // $b = new ServiceB();
+ // $a = new ServiceA(ServiceB $b);
+ // $b->setServiceA(ServiceA $a);
+ if ($this->hasReference($id, $sDefinition->getArguments())) {
+ throw new ServiceCircularReferenceException($id, array($id));
+ }
+
+ $arguments = array();
+ foreach ($sDefinition->getArguments() as $argument) {
+ $arguments[] = $this->dumpValue($argument);
+ }
+
+ if (null !== $sDefinition->getFactoryMethod()) {
+ if (null !== $sDefinition->getFactoryClass()) {
+ $code .= sprintf(" \$%s = call_user_func(array(%s, '%s')%s);\n", $name, $this->dumpValue($sDefinition->getFactoryClass()), $sDefinition->getFactoryMethod(), count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
+ } elseif (null !== $sDefinition->getFactoryService()) {
+ $code .= sprintf(" \$%s = %s->%s(%s);\n", $name, $this->getServiceCall($sDefinition->getFactoryService()), $sDefinition->getFactoryMethod(), implode(', ', $arguments));
+ } else {
+ throw new \RuntimeException('Factory service or factory class must be defined in service definition for '.$id);
+ }
+ } elseif (false !== strpos($class, '$')) {
+ $code .= sprintf(" \$class = %s;\n \$%s = new \$class(%s);\n", $class, $name, implode(', ', $arguments));
+ } else {
+ $code .= sprintf(" \$%s = new \\%s(%s);\n", $name, substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
+ }
+
+ if (!$this->hasReference($id, $sDefinition->getMethodCalls()) && !$this->hasReference($id, $sDefinition->getProperties())) {
+ $code .= $this->addServiceMethodCalls(null, $sDefinition, $name);
+ $code .= $this->addServiceProperties(null, $sDefinition, $name);
+ $code .= $this->addServiceConfigurator(null, $sDefinition, $name);
+ }
+
+ $code .= "\n";
+ }
+ }
+
+ return $code;
+ }
+
+ /**
+ * Adds the service return statement.
+ *
+ * @param string $id Service id
+ * @param Definition $definition
+ * @return string
+ */
+ private function addServiceReturn($id, $definition)
+ {
+ if ($this->isSimpleInstance($id, $definition)) {
+ return " }\n";
+ }
+
+ return "\n return \$instance;\n }\n";
+ }
+
+ /**
+ * Generates the service instance.
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @return string
+ *
+ * @throws \InvalidArgumentException
+ * @throws \RuntimeException
+ */
+ private function addServiceInstance($id, $definition)
+ {
+ $class = $this->dumpValue($definition->getClass());
+
+ if (0 === strpos($class, "'") && !preg_match('/^\'[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\\\{2}[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)*\'$/', $class)) {
+ throw new \InvalidArgumentException(sprintf('"%s" is not a valid class name for the "%s" service.', $class, $id));
+ }
+
+ $arguments = array();
+ foreach ($definition->getArguments() as $value) {
+ $arguments[] = $this->dumpValue($value);
+ }
+
+ $simple = $this->isSimpleInstance($id, $definition);
+
+ $instantiation = '';
+ if (ContainerInterface::SCOPE_CONTAINER === $definition->getScope()) {
+ $instantiation = "\$this->services['$id'] = ".($simple ? '' : '$instance');
+ } else if (ContainerInterface::SCOPE_PROTOTYPE !== $scope = $definition->getScope()) {
+ $instantiation = "\$this->services['$id'] = \$this->scopedServices['$scope']['$id'] = ".($simple ? '' : '$instance');
+ } elseif (!$simple) {
+ $instantiation = '$instance';
+ }
+
+ $return = '';
+ if ($simple) {
+ $return = 'return ';
+ } else {
+ $instantiation .= ' = ';
+ }
+
+ if (null !== $definition->getFactoryMethod()) {
+ if (null !== $definition->getFactoryClass()) {
+ $code = sprintf(" $return{$instantiation}call_user_func(array(%s, '%s')%s);\n", $this->dumpValue($definition->getFactoryClass()), $definition->getFactoryMethod(), $arguments ? ', '.implode(', ', $arguments) : '');
+ } elseif (null !== $definition->getFactoryService()) {
+ $code = sprintf(" $return{$instantiation}%s->%s(%s);\n", $this->getServiceCall($definition->getFactoryService()), $definition->getFactoryMethod(), implode(', ', $arguments));
+ } else {
+ throw new \RuntimeException('Factory method requires a factory service or factory class in service definition for '.$id);
+ }
+ } elseif (false !== strpos($class, '$')) {
+ $code = sprintf(" \$class = %s;\n $return{$instantiation}new \$class(%s);\n", $class, implode(', ', $arguments));
+ } else {
+ $code = sprintf(" $return{$instantiation}new \\%s(%s);\n", substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
+ }
+
+ if (!$simple) {
+ $code .= "\n";
+ }
+
+ return $code;
+ }
+
+ /**
+ * Checks if the definition is a simple instance.
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @return Boolean
+ */
+ private function isSimpleInstance($id, $definition)
+ {
+ foreach (array_merge(array($definition), $this->getInlinedDefinitions($definition)) as $sDefinition) {
+ if ($definition !== $sDefinition && !$this->hasReference($id, $sDefinition->getMethodCalls())) {
+ continue;
+ }
+
+ if ($sDefinition->getMethodCalls() || $sDefinition->getProperties() || $sDefinition->getConfigurator()) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Adds method calls to a service definition.
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @param string $variableName
+ * @return string
+ */
+ private function addServiceMethodCalls($id, $definition, $variableName = 'instance')
+ {
+ $calls = '';
+ foreach ($definition->getMethodCalls() as $call) {
+ $arguments = array();
+ foreach ($call[1] as $value) {
+ $arguments[] = $this->dumpValue($value);
+ }
+
+ $calls .= $this->wrapServiceConditionals($call[1], sprintf(" \$%s->%s(%s);\n", $variableName, $call[0], implode(', ', $arguments)));
+ }
+
+ return $calls;
+ }
+
+ private function addServiceProperties($id, $definition, $variableName = 'instance')
+ {
+ $code = '';
+ foreach ($definition->getProperties() as $name => $value) {
+ $code .= sprintf(" \$%s->%s = %s;\n", $variableName, $name, $this->dumpValue($value));
+ }
+
+ return $code;
+ }
+
+ /**
+ * Generates the inline definition setup.
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @return string
+ */
+ private function addServiceInlinedDefinitionsSetup($id, $definition)
+ {
+ $this->referenceVariables[$id] = new Variable('instance');
+
+ $code = '';
+ $processed = new \SplObjectStorage();
+ foreach ($this->getInlinedDefinitions($definition) as $iDefinition) {
+ if ($processed->contains($iDefinition)) {
+ continue;
+ }
+ $processed->offsetSet($iDefinition);
+
+ if (!$this->hasReference($id, $iDefinition->getMethodCalls())) {
+ continue;
+ }
+
+ if ($iDefinition->getMethodCalls()) {
+ $code .= $this->addServiceMethodCalls(null, $iDefinition, (string) $this->definitionVariables->offsetGet($iDefinition));
+ }
+ if ($iDefinition->getConfigurator()) {
+ $code .= $this->addServiceConfigurator(null, $iDefinition, (string) $this->definitionVariables->offsetGet($iDefinition));
+ }
+ }
+
+ if ('' !== $code) {
+ $code .= "\n";
+ }
+
+ return $code;
+ }
+
+ /**
+ * Adds configurator definition
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @param string $variableName
+ * @return string
+ */
+ private function addServiceConfigurator($id, $definition, $variableName = 'instance')
+ {
+ if (!$callable = $definition->getConfigurator()) {
+ return '';
+ }
+
+ if (is_array($callable)) {
+ if (is_object($callable[0]) && $callable[0] instanceof Reference) {
+ return sprintf(" %s->%s(\$%s);\n", $this->getServiceCall((string) $callable[0]), $callable[1], $variableName);
+ }
+
+ return sprintf(" call_user_func(array(%s, '%s'), \$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
+ }
+
+ return sprintf(" %s(\$%s);\n", $callable, $variableName);
+ }
+
+ /**
+ * Adds a service
+ *
+ * @param string $id
+ * @param Definition $definition
+ * @return string
+ */
+ private function addService($id, $definition)
+ {
+ $name = Container::camelize($id);
+ $this->definitionVariables = new \SplObjectStorage();
+ $this->referenceVariables = array();
+ $this->variableCount = 0;
+
+ $return = '';
+ if ($definition->isSynthetic()) {
+ $return = sprintf('@throws \RuntimeException always since this service is expected to be injected dynamically');
+ } elseif ($class = $definition->getClass()) {
+ $return = sprintf("@return %s A %s instance.", 0 === strpos($class, '%') ? 'Object' : $class, $class);
+ } elseif ($definition->getFactoryClass()) {
+ $return = sprintf('@return Object An instance returned by %s::%s().', $definition->getFactoryClass(), $definition->getFactoryMethod());
+ } elseif ($definition->getFactoryService()) {
+ $return = sprintf('@return Object An instance returned by %s::%s().', $definition->getFactoryService(), $definition->getFactoryMethod());
+ }
+
+ $doc = '';
+ if (ContainerInterface::SCOPE_PROTOTYPE !== $definition->getScope()) {
+ $doc .= <<<EOF
+
+ *
+ * This service is shared.
+ * This method always returns the same instance of the service.
+EOF;
+ }
+
+ if (!$definition->isPublic()) {
+ $doc .= <<<EOF
+
+ *
+ * This service is private.
+ * If you want to be able to request this service from the container directly,
+ * make it public, otherwise you might end up with broken code.
+EOF;
+ }
+
+ $code = <<<EOF
+
+ /**
+ * Gets the '$id' service.$doc
+ *
+ * $return
+ */
+ protected function get{$name}Service()
+ {
+
+EOF;
+
+ $scope = $definition->getScope();
+ if (ContainerInterface::SCOPE_CONTAINER !== $scope && ContainerInterface::SCOPE_PROTOTYPE !== $scope) {
+ $code .= <<<EOF
+ if (!isset(\$this->scopedServices['$scope'])) {
+ throw new InactiveScopeException('$id', '$scope');
+ }
+
+
+EOF;
+ }
+
+ if ($definition->isSynthetic()) {
+ $code .= sprintf(" throw new \RuntimeException('You have requested a synthetic service (\"%s\"). The DIC does not know how to construct this service.');\n }\n", $id);
+ } else {
+ $code .=
+ $this->addServiceInclude($id, $definition).
+ $this->addServiceLocalTempVariables($id, $definition).
+ $this->addServiceInlinedDefinitions($id, $definition).
+ $this->addServiceInstance($id, $definition).
+ $this->addServiceInlinedDefinitionsSetup($id, $definition).
+ $this->addServiceMethodCalls($id, $definition).
+ $this->addServiceProperties($id, $definition).
+ $this->addServiceConfigurator($id, $definition).
+ $this->addServiceReturn($id, $definition)
+ ;
+ }
+
+ $this->definitionVariables = null;
+ $this->referenceVariables = null;
+
+ return $code;
+ }
+
+ /**
+ * Adds a service alias.
+ *
+ * @param string $alias
+ * @param string $id
+ * @return string
+ */
+ private function addServiceAlias($alias, $id)
+ {
+ $name = Container::camelize($alias);
+ $type = 'Object';
+
+ if ($this->container->hasDefinition($id)) {
+ $class = $this->container->getDefinition($id)->getClass();
+ $type = 0 === strpos($class, '%') ? 'Object' : $class;
+ }
+
+ return <<<EOF
+
+ /**
+ * Gets the $alias service alias.
+ *
+ * @return $type An instance of the $id service
+ */
+ protected function get{$name}Service()
+ {
+ return {$this->getServiceCall($id)};
+ }
+
+EOF;
+ }
+
+ /**
+ * Adds multiple services
+ *
+ * @return string
+ */
+ private function addServices()
+ {
+ $publicServices = $privateServices = $aliasServices = '';
+ $definitions = $this->container->getDefinitions();
+ ksort($definitions);
+ foreach ($definitions as $id => $definition) {
+ if ($definition->isPublic()) {
+ $publicServices .= $this->addService($id, $definition);
+ } else {
+ $privateServices .= $this->addService($id, $definition);
+ }
+ }
+
+ $aliases = $this->container->getAliases();
+ ksort($aliases);
+ foreach ($aliases as $alias => $id) {
+ $aliasServices .= $this->addServiceAlias($alias, $id);
+ }
+
+ return $publicServices.$aliasServices.$privateServices;
+ }
+
+ /**
+ * Adds the class headers.
+ *
+ * @param string $class Class name
+ * @param string $baseClass The name of the base class
+ * @return string
+ */
+ private function startClass($class, $baseClass)
+ {
+ $bagClass = $this->container->isFrozen() ? 'use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;' : 'use Symfony\Component\DependencyInjection\ParameterBag\\ParameterBag;';
+
+ return <<<EOF
+<?php
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\Exception\InactiveScopeException;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\Parameter;
+$bagClass
+
+/**
+ * $class
+ *
+ * This class has been auto-generated
+ * by the Symfony Dependency Injection Component.
+ */
+class $class extends $baseClass
+{
+EOF;
+ }
+
+ /**
+ * Adds the constructor.
+ *
+ * @return string
+ */
+ private function addConstructor()
+ {
+ $code = <<<EOF
+
+ /**
+ * Constructor.
+ */
+ public function __construct()
+ {
+ parent::__construct(new ParameterBag(\$this->getDefaultParameters()));
+
+EOF;
+
+ if (count($scopes = $this->container->getScopes()) > 0) {
+ $code .= "\n";
+ $code .= " \$this->scopes = ".$this->dumpValue($scopes).";\n";
+ $code .= " \$this->scopeChildren = ".$this->dumpValue($this->container->getScopeChildren()).";\n";
+ }
+
+ $code .= <<<EOF
+ }
+
+EOF;
+
+ return $code;
+ }
+
+ /**
+ * Adds the constructor for a frozen container.
+ *
+ * @return string
+ */
+ private function addFrozenConstructor()
+ {
+ $code = <<<EOF
+
+ /**
+ * Constructor.
+ */
+ public function __construct()
+ {
+ \$this->parameters = \$this->getDefaultParameters();
+
+ \$this->services =
+ \$this->scopedServices =
+ \$this->scopeStacks = array();
+
+ \$this->set('service_container', \$this);
+
+EOF;
+
+ $code .= "\n";
+ if (count($scopes = $this->container->getScopes()) > 0) {
+ $code .= " \$this->scopes = ".$this->dumpValue($scopes).";\n";
+ $code .= " \$this->scopeChildren = ".$this->dumpValue($this->container->getScopeChildren()).";\n";
+ } else {
+ $code .= " \$this->scopes = array();\n";
+ $code .= " \$this->scopeChildren = array();\n";
+ }
+
+ $code .= <<<EOF
+ }
+
+EOF;
+
+ return $code;
+ }
+
+ /**
+ * Adds default parameters method.
+ *
+ * @return string
+ */
+ private function addDefaultParametersMethod()
+ {
+ if (!$this->container->getParameterBag()->all()) {
+ return '';
+ }
+
+ $parameters = $this->exportParameters($this->container->getParameterBag()->all());
+
+ $code = '';
+ if ($this->container->isFrozen()) {
+ $code .= <<<EOF
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getParameter(\$name)
+ {
+ \$name = strtolower(\$name);
+
+ if (!array_key_exists(\$name, \$this->parameters)) {
+ throw new \InvalidArgumentException(sprintf('The parameter "%s" must be defined.', \$name));
+ }
+
+ return \$this->parameters[\$name];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function hasParameter(\$name)
+ {
+ return array_key_exists(strtolower(\$name), \$this->parameters);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function setParameter(\$name, \$value)
+ {
+ throw new \LogicException('Impossible to call set() on a frozen ParameterBag.');
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public function getParameterBag()
+ {
+ if (null === \$this->parameterBag) {
+ \$this->parameterBag = new FrozenParameterBag(\$this->parameters);
+ }
+
+ return \$this->parameterBag;
+ }
+EOF;
+ }
+
+ $code .= <<<EOF
+
+ /**
+ * Gets the default parameters.
+ *
+ * @return array An array of the default parameters
+ */
+ protected function getDefaultParameters()
+ {
+ return $parameters;
+ }
+
+EOF;
+
+ return $code;
+ }
+
+ /**
+ * Exports parameters.
+ *
+ * @param array $parameters
+ * @param string $path
+ * @param integer $indent
+ * @return string
+ */
+ private function exportParameters($parameters, $path = '', $indent = 12)
+ {
+ $php = array();
+ foreach ($parameters as $key => $value) {
+ if (is_array($value)) {
+ $value = $this->exportParameters($value, $path.'/'.$key, $indent + 4);
+ } elseif ($value instanceof Variable) {
+ throw new \InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain variable references. Variable "%s" found in "%s".', $value, $path.'/'.$key));
+ } elseif ($value instanceof Definition) {
+ throw new \InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain service definitions. Definition for "%s" found in "%s".', $value->getClass(), $path.'/'.$key));
+ } elseif ($value instanceof Reference) {
+ throw new \InvalidArgumentException(sprintf('You cannot dump a container with parameters that contain references to other services (reference to service "%s" found in "%s").', $value, $path.'/'.$key));
+ } else {
+ $value = var_export($value, true);
+ }
+
+ $php[] = sprintf('%s%s => %s,', str_repeat(' ', $indent), var_export($key, true), $value);
+ }
+
+ return sprintf("array(\n%s\n%s)", implode("\n", $php), str_repeat(' ', $indent - 4));
+ }
+
+ /**
+ * Ends the class definition.
+ *
+ * @return string
+ */
+ private function endClass()
+ {
+ return <<<EOF
+}
+
+EOF;
+ }
+
+ /**
+ * Wraps the service conditionals.
+ *
+ * @param string $value
+ * @param string $code
+ * @return string
+ */
+ private function wrapServiceConditionals($value, $code)
+ {
+ if (!$services = ContainerBuilder::getServiceConditionals($value)) {
+ return $code;
+ }
+
+ $conditions = array();
+ foreach ($services as $service) {
+ $conditions[] = sprintf("\$this->has('%s')", $service);
+ }
+
+ // re-indent the wrapped code
+ $code = implode("\n", array_map(function ($line) { return $line ? ' '.$line : $line; }, explode("\n", $code)));
+
+ return sprintf(" if (%s) {\n%s }\n", implode(' && ', $conditions), $code);
+ }
+
+ /**
+ * Builds service calls from arguments
+ *
+ * @param array $arguments
+ * @param string $calls By reference
+ * @param string $behavior By reference
+ * @return void
+ */
+ private function getServiceCallsFromArguments(array $arguments, array &$calls, array &$behavior)
+ {
+ foreach ($arguments as $argument) {
+ if (is_array($argument)) {
+ $this->getServiceCallsFromArguments($argument, $calls, $behavior);
+ } else if ($argument instanceof Reference) {
+ $id = (string) $argument;
+
+ if (!isset($calls[$id])) {
+ $calls[$id] = 0;
+ }
+ if (!isset($behavior[$id])) {
+ $behavior[$id] = $argument->getInvalidBehavior();
+ } else if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $behavior[$id]) {
+ $behavior[$id] = $argument->getInvalidBehavior();
+ }
+
+ $calls[$id] += 1;
+ }
+ }
+ }
+
+ /**
+ * Returns the inline definition
+ *
+ * @param Definition $definition
+ * @return array
+ */
+ private function getInlinedDefinitions(Definition $definition)
+ {
+ if (false === $this->inlinedDefinitions->contains($definition)) {
+ $definitions = array_merge(
+ $this->getDefinitionsFromArguments($definition->getArguments()),
+ $this->getDefinitionsFromArguments($definition->getMethodCalls()),
+ $this->getDefinitionsFromArguments($definition->getProperties())
+ );
+
+ $this->inlinedDefinitions->offsetSet($definition, $definitions);
+
+ return $definitions;
+ }
+
+ return $this->inlinedDefinitions->offsetGet($definition);
+ }
+
+ /**
+ * Gets the definition from arguments
+ *
+ * @param array $arguments
+ * @return array
+ */
+ private function getDefinitionsFromArguments(array $arguments)
+ {
+ $definitions = array();
+ foreach ($arguments as $argument) {
+ if (is_array($argument)) {
+ $definitions = array_merge($definitions, $this->getDefinitionsFromArguments($argument));
+ } else if ($argument instanceof Definition) {
+ $definitions = array_merge(
+ $definitions,
+ $this->getInlinedDefinitions($argument),
+ array($argument)
+ );
+ }
+ }
+
+ return $definitions;
+ }
+
+ /**
+ * Checks if a service id has a reference
+ *
+ * @param string $id
+ * @param array $arguments
+ * @return Boolean
+ */
+ private function hasReference($id, array $arguments)
+ {
+ foreach ($arguments as $argument) {
+ if (is_array($argument)) {
+ if ($this->hasReference($id, $argument)) {
+ return true;
+ }
+ } else if ($argument instanceof Reference) {
+ if ($id === (string) $argument) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Dumps values.
+ *
+ * @param array $value
+ * @param Boolean $interpolate
+ * @return string
+ */
+ private function dumpValue($value, $interpolate = true)
+ {
+ if (is_array($value)) {
+ $code = array();
+ foreach ($value as $k => $v) {
+ $code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate));
+ }
+
+ return sprintf('array(%s)', implode(', ', $code));
+ } elseif (is_object($value) && $value instanceof Definition) {
+ if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) {
+ return $this->dumpValue($this->definitionVariables->offsetGet($value), $interpolate);
+ }
+ if (count($value->getMethodCalls()) > 0) {
+ throw new \RuntimeException('Cannot dump definitions which have method calls.');
+ }
+ if (null !== $value->getConfigurator()) {
+ throw new \RuntimeException('Cannot dump definitions which have a configurator.');
+ }
+
+ $arguments = array();
+ foreach ($value->getArguments() as $argument) {
+ $arguments[] = $this->dumpValue($argument);
+ }
+ $class = $this->dumpValue($value->getClass());
+
+ if (false !== strpos($class, '$')) {
+ throw new \RuntimeException('Cannot dump definitions which have a variable class name.');
+ }
+
+ if (null !== $value->getFactoryMethod()) {
+ if (null !== $value->getFactoryClass()) {
+ return sprintf("call_user_func(array(%s, '%s')%s)", $this->dumpValue($value->getFactoryClass()), $value->getFactoryMethod(), count($arguments) > 0 ? ', '.implode(', ', $arguments) : '');
+ } elseif (null !== $value->getFactoryService()) {
+ return sprintf("%s->%s(%s)", $this->getServiceCall($value->getFactoryService()), $value->getFactoryMethod(), implode(', ', $arguments));
+ } else {
+ throw new \RuntimeException('Cannot dump definitions which have factory method without factory service or factory class.');
+ }
+ }
+
+ return sprintf("new \\%s(%s)", substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
+ } elseif (is_object($value) && $value instanceof Variable) {
+ return '$'.$value;
+ } elseif (is_object($value) && $value instanceof Reference) {
+ if (null !== $this->referenceVariables && isset($this->referenceVariables[$id = (string) $value])) {
+ return $this->dumpValue($this->referenceVariables[$id], $interpolate);
+ }
+
+ return $this->getServiceCall((string) $value, $value);
+ } elseif (is_object($value) && $value instanceof Parameter) {
+ return $this->dumpParameter($value);
+ } elseif (true === $interpolate && is_string($value)) {
+ if (preg_match('/^%([^%]+)%$/', $value, $match)) {
+ // we do this to deal with non string values (Boolean, integer, ...)
+ // the preg_replace_callback converts them to strings
+ return $this->dumpParameter(strtolower($match[1]));
+ } else {
+ $that = $this;
+ $replaceParameters = function ($match) use ($that)
+ {
+ return "'.".$that->dumpParameter(strtolower($match[2])).".'";
+ };
+
+ $code = str_replace('%%', '%', preg_replace_callback('/(?<!%)(%)([^%]+)\1/', $replaceParameters, var_export($value, true)));
+
+ // optimize string
+ $code = preg_replace(array("/^''\./", "/\.''$/", "/'\.'/", "/\.''\./"), array('', '', '', '.'), $code);
+
+ return $code;
+ }
+ } elseif (is_object($value) || is_resource($value)) {
+ throw new \RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
+ } else {
+ return var_export($value, true);
+ }
+ }
+
+ /**
+ * Dumps a parameter
+ *
+ * @param string $name
+ * @return string
+ */
+ public function dumpParameter($name)
+ {
+ if ($this->container->isFrozen() && $this->container->hasParameter($name)) {
+ return $this->dumpValue($this->container->getParameter($name), false);
+ }
+
+ return sprintf("\$this->getParameter('%s')", strtolower($name));
+ }
+
+ /**
+ * Gets a service call
+ *
+ * @param string $id
+ * @param Reference $reference
+ * @return string
+ */
+ private function getServiceCall($id, Reference $reference = null)
+ {
+ if ('service_container' === $id) {
+ return '$this';
+ }
+
+ if (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
+ return sprintf('$this->get(\'%s\', ContainerInterface::NULL_ON_INVALID_REFERENCE)', $id);
+ } else {
+ if ($this->container->hasAlias($id)) {
+ $id = (string) $this->container->getAlias($id);
+ }
+
+ return sprintf('$this->get(\'%s\')', $id);
+ }
+ }
+
+ /**
+ * Returns the next name to use
+ *
+ * @return string
+ */
+ private function getNextVariableName()
+ {
+ $firstChars = self::FIRST_CHARS;
+ $firstCharsLength = strlen($firstChars);
+ $nonFirstChars = self::NON_FIRST_CHARS;
+ $nonFirstCharsLength = strlen($nonFirstChars);
+
+ while (true) {
+ $name = '';
+ $i = $this->variableCount;
+
+ if ('' === $name) {
+ $name .= $firstChars[$i%$firstCharsLength];
+ $i = intval($i/$firstCharsLength);
+ }
+
+ while ($i > 0) {
+ $i -= 1;
+ $name .= $nonFirstChars[$i%$nonFirstCharsLength];
+ $i = intval($i/$nonFirstCharsLength);
+ }
+
+ $this->variableCount += 1;
+
+ // check that the name is not reserved
+ if (in_array($name, $this->reservedVariables, true)) {
+ continue;
+ }
+
+ return $name;
+ }
+ }
+}